PT8123C

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DC DC converters are widely used in the industry for a variety of applications. One type of DC DC converter is the PT8123C. This article will discuss the application field and working principle of the PT8123C.

The PT8123C is a DC to DC converter, primarily used to convert 12V input voltage to a regulated 24V output voltage. Its highly efficient design makes it suitable for a wide variety of applications, including automotive, industrial, and consumer electronics. It is capable of supplying up to 60W of power, with a peak efficiency of up to 88%.

The PT8123C features a single-stage topology with a synchronous rectified boost converter. The input voltage is regulated by an integrated non-inverting buck-boost converter. This buck-boost converter ensures that the output voltage remains stable, even when the input voltage is fluctuating. The output voltage can be adjusted from 18V to 24V via a voltage adjust terminal. The output current is limited to 3A and the power dissipation is limited to 90W.

The PT8123C features integrated circuit protection against over-voltage, reverse battery protection, and output short circuit protection and uses a unique over-temperature shutdown technique to protect the device in the event of an over-temperature condition. It also features a Status indicator LED to indicate the status of the output voltage, and a Shutdown pin to quickly shut down the output voltage.

The PT8123C features an integrated switching frequency of up to 1.4MHz and a minimum on-time of 4µs, which allows for higher power density, faster transient response, and higher efficiency than traditional topologies. Additionally, the device utilizes Spread Spectrum Frequency Modulation technology, which helps reduce EMI and improves the EMI performance of the converter. The PT8123C also features Low Quiescent Current (LQC) technology, which helps reduce the quiescent current, thus reducing power loss and extending the life of the product. This device has an integrated thermal pad, which helps with effective thermal management.

In conclusion, the PT8123C is a highly efficient DC to DC converter, capable of supplying up to 60W of power, with a peak efficiency of up to 88%. It is suitable for a wide variety of applications, including automotive, industrial, and consumer electronics due to its integrated circuit protection, low quiescent current technology, and spread spectrum frequency modulation technology. It also features an integrated thermal pad, which helps with thermal management. This device is ideal for applications where the output voltage needs to be regulated with maximum efficiency.

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